Home / 383,164.11-528,880.95-222,091.56

Finding the Fourth Proportional to 383,164.11, 528,880.95 and 222,091.56

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Solution

The fourth proportional to 383,164.11, 528,880.95 and 222,091.56 is: 306,552.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,164.11 : 528,880.95 = 222,091.56 : x
  2. Step 2: Convert to fraction form
    383,164.11/528,880.95 = 222,091.56/x
  3. Step 3: Cross multiply
    383,164.11x = 528,880.95 × 222,091.56
  4. Step 4: Simplify right side
    383,164.11x = 117,459,995,239.78
  5. Step 5: Solve for x
    x = 117,459,995,239.78/383,164.11
  6. Step 6: Final answer
    x = 306,552.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.